NOTE(s):
..* 20231002:
....- Requests 1111385 (15.4) and 1111386 (15.5) have fixed the yast2-firstboot issue(s).
..* 20230913:
....- versions of yast2-firstboot pulled down when building 15.4 and 15.5 are causing issues creating initial user.
....- Pulling yast2-firstboot in from YaST:SLE-15:SP4 / YaST:SLE-15:SP5 will fix respective release.
......- 15.4 v4.4.12 verified working
......- 15.5 v4.5.7 verified working
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Produces an .appx based off an openSUSE release (from info gathered by wsl-appx).